The iconic Mack bulldog has long found its home on a pedestal, but now, it's incorporated into the Pioneer's hood.

California fights America's worst smog with the country's toughest environmental regulations. But is the Golden State really ...

As diesel trucks idle in line at a Port of Long Beach terminal, a big-rig electric truck pulls into a lot beneath one of the port’s towering bridges. The lot will be the site of one of the ...

More recently, Daimler Trucks' Mitsubishi FUSO Truck and Bus ... Cummins, a company known for its big rig diesel engines, is also going green. The company announced its all-electric AEOS concept ...